Former Red Sox reliever Okajima retires - The Japan Times
Yankees get help in beating Red Sox
Hideki Okajima Faded Into Oblivion As Red Sox Career Progressed - SB Nation Boston
Hideki Okajima forced out of Red Sox bullpen
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Japanese All-Star outfielder Masataka Yoshida signs $90M contract with Boston Red Sox
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Masataka Yoshida signs five-year, $90 million deal with Red Sox
Former Red Sox reliever Hirokazu Sawamura returns to Japan, signs with NPB's Chiba Lotte Marines
Hideki Okajima - Wikipedia